Home / 22,718.48-31,351.79-12,510.71

Finding the Fourth Proportional to 22,718.48, 31,351.79 and 12,510.71

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Solution

The fourth proportional to 22,718.48, 31,351.79 and 12,510.71 is: 17,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.48 : 31,351.79 = 12,510.71 : x
  2. Step 2: Convert to fraction form
    22,718.48/31,351.79 = 12,510.71/x
  3. Step 3: Cross multiply
    22,718.48x = 31,351.79 × 12,510.71
  4. Step 4: Simplify right side
    22,718.48x = 392,232,933.36
  5. Step 5: Solve for x
    x = 392,232,933.36/22,718.48
  6. Step 6: Final answer
    x = 17,264.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.